Nokia L 900 and wireless sync

Okay I went in and forgot the phone and then renamed it from xxxx"slumia 900 to xxxxs lumia 900 in an attempt to get it to synch a bunch of saved photos that wouldnt sync. thzat did not fix the photo synching issue but now I cant get wireless sync to set up the phone is linked /in sync with zune and recognized but Zune wireless synch wont/doesn't recognize my phone! Any ideas? I get error code C00D07c9. I have googled it and the knowledge base articles are absolutely no help at all. Assistance would be appreciated.